Lord Peel captures the Monkeys and intends to make them pay for turning him from a mild-mannered alien who happens to look a lot like a banana, into an embittered super villain obsessed with revenge.
Gus and Wally prank each other relentlessly to illustrate this theory for YAY-OK. Not to be outdone, YAY-OK puts together a terrifying joke of his own.
It’s Inspection Day, and the Rocket Monkeys are far from prepared. Gus thinks it will be easy enough to talk his way out of a bad report, but Wally’s unhinged behavior threatens to interfere.
A fitting for new space-suits reveals that Gus’s tail has grown just enough to classify him as a rare long-tailed monkey…attracting Gamester X, a creepy alien bent on adding Gus to his collection.
After challenging the undefeated Space Gorillas to a match on the popular game show “Galactic Laser Blast!”, Gus decides the only way the Monkeys can win is to bring in a ringer—YAY-OK.
Wally finally gets his own pet: Trixie, a toothy beast with an appetite for EVERYTHING, from the monkeys’ food supply to the ship itself. As much as it hurts Wally, insatiable Trixie must be stopped!
Gus and Wally have a surprise for YAY-OK—they’ve located his estranged father! But YAY-OK has mixed emotions—turns out his dad’s actually a doomsday device, powered-down for the good of all mankind.
Tired of Wally always touching his stuff, Gus gets his brother to promise “paws off.” But when Wally’s faced with Gus’s Deep Space Dave laboratory play set, the temptation may prove too much.
Gus and Wally are shocked when their mom reveals her new suitor—Lord Peel! To prove he’s a changed man, Banana-dude insists on some family fun…highly hazardous, monkey-endangering fun.
An unfortunate haircutting accident reveals the crown-shaped royal birthmark of Eld under Wally’s fur...and his royal destiny as the rescuer of the frozen Princess Von Monkey.
Mission: escort criminal mastermind Monkevil to the prison on Alfatraz 8. No problem, until their prisoner turns out to be a beautiful female monkey who soon has Gus and Wally fighting for her love.
GASI has a new recruit: Monkevil, former super villain, and Gus and Wally’s long standing crush. Though she excels during training, YAY-OK suspects that she’s returned to her life of crime.
The Rocket Monkeys may have thwarted Nefarious’s escape from his asteroid exile, but they haven’t seen the last of him…especially when his latest evil invention gives him control over Wally’s tail.
Tired of always being assigned the lamest missions, Gus and Wally are eager to have a real adventure—like following a prize they find in their box of Golden Nugglets to seek out lost pirate treasure!
A batch of toxic bananas has infiltrated the market, zombifying any primate who takes a bite…including Wally. Gus must travel to the bananas’ source planet and find a cure for the zombie germ.
When Gus blames YAY-OK for his own mistake during a training exercise, Dr. Chimpsky sends them YAY-OK7, an updated replacement who’s quick to assert his superiority over the original model.
The Monkeys are on lockdown until they clean their ship. Desperate to make it to All-You-Can-Eat-Monkey-Mondays at the GASI Café, they take a few shortcuts—and end up waking a hideous garbage monster.
When the trash-talking Space Gorillas hijack Gus’s mission, the ‘Rilla-Monkey rivalry returns with a vengeance. To redeem themselves, the Rocket Monkeys take on their most dangerous mission yet.
Gus and Wally can’t help themselves when it comes to anything round and bouncy—which makes it awkward when Chimpsky entrusts them with the the highly explosive BALL (Ballistic and Lethally Loaded).
Gus takes a game of Trash Torpedo too far, shooting Wally’s beloved ukulele into space. To get it back, the Monkeys must face Pinky-Winky, a mean-girl space creature with musical plans of her own.
Gus and Wally only need one more badge before they receive the prestigious GASI Red Tassel of Achievement, so when the opportunity arises to save a stranded princess, the monkeys jump at the chance.
Gus and Wally are charged with herding 2000 Zortoids through space for their annual feeding at Gluttonia, but Wally must face a test of his monkey ethics when he befriends one of the herd.
Gus and Wally win the “Have-Deep-Space-Dave-Stay-at-your-Place” contest! But DSD hardly lives up to his reputation; instead he acts like a major space slug as the Monkeys tend to his every need.
A dangerous comet threatens to demolish Gus and Wally’s beloved Banana Snack Shack, but the Monkeys are sure to save the day...unless their fierce competition causes even more collateral damage.
Gus rescues a cool monkey named Joel, and they quickly become best friends. But this new pal might be up to no good…especially when it comes to his interest in Inky’s highly collectible splatter art.
Lord Peel is out to expose the Rocket Monkeys’ incompetence on his new tell-all television show, and the resulting backlash has Dr. Chimpsky insisting Gus and Wally change their ways.
Lord Peel seeks revenge on Gus and Wally by impersonating Santa and tricking them.
Gus and Wally try to get to a Christmas party before all there cake is eaten.
Wally sets out to return the delicious spirits of every banana he's eaten to their home planet.
Looking to expand his social circle, Wally reaches out to Spacebook -- and instantly has hundreds of friends.
The monkeys think YAY-OK has a big disease.
YAY-OK is put in charge by Dr. Chimpsky to decide whether Gus or Wally should be in charge of their money, after they blow all of GASI's budget on a shopping spree.
Gus and Wally let evil counterparts enter the world.
Gus and Wally lose their fun privileges.
YAY-OK becomes a bully when the monkeys re-wire him.
On GASI's "Switch Day," where everyone gets a new partner, the monkeys both end up getting a gorilla as their partner.
Wally gets a parasite on him.
YAY-OK thinks his inventions are no good.
When the Monkeys are relegated to the kids' room at a party, Gus decides to infiltrate the adult festivities next door.
While combing the dump for replacement rocket parts, Wally stumbles upon a Spacey Cake oven!
Gus and Wally use all of Inky's ink so they must get more.
Gus and Wally want breakfast.
YAY-OK takes a job as a butler for Lord Peel.
Gus and Wally discover the truth about Pinky Winky's real size.
Lord Peel gets to see his family.
The Monkeys mom comes to visit.
Gus teaches Wally about survival, while on a stranded planet.
Wally believes he can take on anything.
Gus and Wally compete to become a sidekick.
He-Rilla and She-Rilla are getting married.
Gus opens Wally's birthday surprise.
To keep the Monkeys safe, YAY-OK purchases a state-of-the-art primate protection device.
Wally thinks that Gus has a rare disease and will die.
Gus and Wally create a disco rocket ship.
YAY-OK's ex-girlfriend Belindor returns for revenge.
Gus and Wally create a horrible scent.
Monkevil must marry a giant insect beast.
Gus and Wally win a trip to "Banana Fun Land", which turns out to be a ruse by Lord Peel in order to trap them on a deserted planet. However, when Banana-Man gets stuck in there as well, he starts bounding with the monkeys.
Nefarious, disguised as Inky, manages to get inside the rocket ship, but ends up in the middle of a competition of affection between Gus and Wally.
The monkeys find their long-lost father frozen in a block of ice and are thrilled to spend some quality time with him, but Dr. Chimpsky threatens to refreeze him unless they teach the middle-aged monkey to overcome his old-school mannerisms.
Chimpsky loses his job.
Lord Peel has a new plan: get the monkeys to hate bananas. While he does succeed at first, things take a horrible turn when Gus and Wally are determined to eradicate EVERY SINGLE banana in the galaxy.
Gus and Wally threaten the career of an old classmate.
It's Robot Appreciation Day, and Wally and Gus celebrate.
After Yay-OK admonishes the monkeys, they try to out-share each other.
Gus and Wally are supposed to be taking care of their Gamgam.
Wally is able to coax music from a rock.
Gamester X discovers that Yay-OK was the star of "Thunderbot."
Lord Peel admits he's a banana.
Wally and Gus are granted a wish.
Nefarious shares Wally's birthday date.
Lord Peel finds a way to ruin Halloween.
Gus wants to prove to Yay-OK that the Werebot exists.
Someone on the ship is tattling.
Gus and Wally's plans to see a 4D movie are thwarted.
Gus and Wally go to Banana Court.
The monkeys find a tree with deadly explosive bananas.
Gus and Wally have a new and very important mission: build a protective orb around an extremely unstable quasar. However, due to them blowing off their spacework, they forget to install a way out, leaving them stuck inside the sphere aswell.
When Yay-Ok's robo-ripener hits Wally, it gives him a mustache, which means he is now the more mature monkey. This makes Gus jealous, especially when the new facial hair causes Monkevil to start falling in love with his brother.
The monkeys realize Yay-Ok is holding in all his robo gas.
The monkeys ruin an old friend's career.
Gus stretches the truth about his heroic missions and wins several awards, sparking interest from Wally.
The monkeys leave their brobot stranded on top of a ship.
Do-gooder documentarian Jane Goodspace attempts to rescue the monkeys from their ship and return them to their natural habitat.
When the monkeys keep saying "Zargles!", YAY-OK gets annoyed and tries to make them not say it, even if it takes gazillion times or more.
Gus steals sodas from a vending machine, which tries to reclaim its lost drinks.
There is a villain that the monkeys don't know a lot about and in order to they must get new security photos.
Dr. Chimpsky's nephew visits, but he is not who he says he is.
The monkeys try to return alien balloons to their home planet.
Wally is the most adorable agent, but as soon as a Rocket bunny appears in the scene, Wally gets an adorable makeover in order to become more adorable than the bunny once again.
YAY-OK loses a "Robot of the Year" pageant and he must prove to his dad that he doesn't have to work with him. He wants to be with the monkeys more.
The monkeys go camping and come across Lord Peel, but mistake him for Squamitch.
Gus and Wally try to act differently after Dr. Chimpsky says all the monkeys act the same.
The ship flies through a dimensional hoop and picks up an extra Gus, leaving Wally as the odd monkey out.
Gus and Wally want to go to a new, but highly suspicious amusement park.
When Wally loses a tooth he eagerly waits for the banana fairy to put a golden banana under his pillow, but she has retired and Gamester X replaces her using the monkey teeth to build things. The monkeys and YAY-OK try to get her to give the monkeys their golden bananas because Gus also lost a tooth in process.
Wally messes up the delivery of an alien brain, which actually boosts his IQ.
Lord Peel finds an abandoned baby Hate-a-Saurus and tries to raise it to destroy the monkeys.
Wally hides Space Bees in the ship and declares himself queen bee.
When the monkeys work YAY-OK too hard, he loses his wheel. His inventor comes and gives him a fancy pair of legs, until he can make YAY-OK a new wheel.
The monkeys want to take a peek inside the "little girls room" (a bathroom for girls), but YAY-OK is guarding the door to it and won't let them inside.
Gus and Wally transform a cardboard box into the S.S. Monkeyship.
The monkeys keep on pretending to be hurt, so they can get more treats from their mom.
Dr. Chimpsky has a party, but no one comes to it. The monkeys and YAY-OK try to turn this around for him.
Lord Peel tries to make the monkeys afraid of the color yellow.
YAY-OK shows the monkeys a panic room and they keep on making up emergencies, so they can go inside. YAY-OK gets annoyed with this.
When Yay-OK goes back to school to finish his degree, he discovers that it has changed a lot since he was last a student.
When Gus and Wally can't open a ketchup bottle to put on their favourite banana bread, they enlist the help of GASI's most wanted criminals to open it for them.
Gus and Wally trick Yay-OK into believing he's turned into a monkey. But when the robot goes all out with his simian silliness, the monkeys realize they've pushed the joke too far.
The monkeys learn that they're on Santa's "Super Naughty" list for Christmas and have to do one good deed before the midnight bell rings. However, they fail to do so even with YAY-OK's help. YAY-OK buys a eraser machine that looks like a pencil and the monkeys and him go to the past and future see what life is and was like without the monkeys. The monkeys get put on the "ok" Ok list for now for making messes for YAY-OK's robotic cleaning crew to clean up and sending their kids to college. The monkeys get YAY-OK a picture of himself in the future with cutouts of the monkeys on it and in return he gives them Lord Peel.
Gus and Wally break the butt off the statue of GASI's most decorated general.
A fight over Monkevil's affections causes a rift between Gus and Wally.
Gus and Wally stumble on the concept of apologising.
Lord Peel is trying to join a fancy social club, and enlists the Rocket Monkeys for help.
Nefarious invites the Rocket Monkeys to a slumber party so that he can steal their rocket ship, but struggles to keep the two monkeys asleep.
When Yay-OK's younger sister comes to visit, he tries to keep her away from Gus and Wally.
It turns out that Inky is a rental, and his lease period is up.
Bernice and Yay-OK get into a disagreement over whom the Rocket Monkeys love more.
Gus and Wally discover a mysterious "Switch of Doom", which of course they can't stop flipping.
When Gus stiffs a waiter on his tip, the server seeks revenge with a cursed bucket of fortune clams.
Yay-OK wants to compete on his favourite reality game show, 'Top Bot', but has to convince Gus and Wally to nominate him first.
After an epic war between robots and bananas breaks out, YAY-OK puts the monkeys into a deep cryogenic sleep to prevent them from suffering, during a war between bananas and robots. The monkeys sleep for 1000 years and YAY-OK and Lord Peel fight.
Yay-OK needs a break from all the crazy monkey shenanigans, so he activates a copy of himself to cover for him while he goes to a spa. However, when the monkeys destroy the clone, they think that the real Yay-OK is a ghost seeking for revenge.
When Yay-OK gets sick due to a virus that the monkeys downloaded on him, he tries to call Slo-Mo to take care of him. Nefarious overhears him and disguises himself as the female robot in order to gain control of the rocket ship.
Deep Space Dave and the Purple Puzzler aren't talking. If the monkeys ever want to see their favourite show again, it's up to them to reunite the stars.
When Gus's new glasses up his stock considerably, a jealous Wally purchases a questionable knock-off pair, with horrifying results.
Yay-Ok's popular comedy routine is fueled by monkey jokes, but Gus and Wally find out and refuse to give him any more material.
YAY-OK shows us the set and cast in a "Behind the scenes" style episode and Lord Peel tries to cancel the show, so he can leave for good. (Series Finale)
The citizens of GASI headquarters start disappearing by a bright blue flash and the monkeys plus YAY-OK must save them. The citizens of GASI headquarters had also turned into princess monsters created by an evil princess named Princess Monstare. Eventually YAY-OK tries to fight her, but she turns into a robot with him and the monkeys must save him and stop her.
